3(b+4)=-12

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Solution for 3(b+4)=-12 equation: 



3(b+4)=-12

We move all terms to the left:

3(b+4)-(-12)=0

We add all the numbers together, and all the variables

3(b+4)+12=0

We multiply parentheses

3b+12+12=0

We add all the numbers together, and all the variables

3b+24=0

We move all terms containing b to the left, all other terms to the right

3b=-24

b=-24/3

b=-8

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